<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
hello world

<div>
    <div>
        <form action="excel" method="post" enctype="multipart/form-data">
            <input type="file"v/><br>
            <input type="submit" value="提交">
        </form>
    </div>
</div>
</body>
</html>